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Blockscout MCP Server

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blockscout · Payments

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The Blockscout MCP Server gives AI agents structured, contextual access to on-chain data — wallet balances, token holdings, NFT collections, transaction history, and verified contract metadata — pulled from Blockscout's open-source blockchain explorer infrastructure. Instead of scraping explorer pages or hand-rolling RPC calls, any LLM-based agent (Claude, GPT, Gemini) can query a normalized set of blockchain data tools to answer questions like "what tokens does this address hold" or "is this contract verified" in real time, across supported EVM networks.

Hosted through BusinessMCP.com, this Blockscout integration becomes one capability inside a single unified MCP endpoint at /api/mcp, authenticated with your own mcph_* Bearer key. Rather than standing up and maintaining a separate MCP server just for blockchain lookups, teams connect Blockscout once alongside their other tools, databases, and ad platforms, and every downstream agent — whether it's a support bot, a trading assistant, or an internal research copilot — gets consistent, model-agnostic access to crypto data without extra plumbing or per-tool credentials.

This is especially useful for fintech, crypto-native, and Web3-adjacent businesses that need AI agents to reason about balances, token flows, or NFT provenance as part of a larger workflow: compliance checks before onboarding a wallet address, portfolio summaries for a client dashboard, due diligence on a smart contract before integrating with it, or flagging suspicious token transfers. Because the data flows through the same hosted MCP layer as the rest of your stack, results can be correlated with revenue, ad spend, or CRM data inside BusinessMCP's business-intelligence dashboard — turning raw on-chain lookups into decisions your team can actually act on, not just a JSON blob returned to an agent.

The server is read-only against blockchain state, which keeps it low-risk to expose broadly: agents can look up balances, resolve contract metadata, and pull NFT and token details, but cannot move funds or sign transactions. That makes it a safe first crypto tool to wire into an agent fleet, and a natural complement to wallet-interaction or DeFi-analytics MCP servers if a workflow later needs to go beyond read access. Being cookieless and GDPR-friendly by design also matters here — blockchain addresses are pseudonymous but still sensitive in aggregate, and BusinessMCP's infrastructure is built around not tracking end users to correlate that data.

For teams already running Blockscout-style lookups manually or via scattered scripts, hosting it as an MCP server centralizes access control, logging, and rate limiting behind one Bearer-key-protected endpoint. Add it to your BusinessMCP workspace next to payments, marketing, and analytics tools, and any AI agent — from a customer-facing chatbot to an internal ops assistant — gains a consistent way to ask blockchain questions and get structured answers, with usage visible in the same BI dashboard as the rest of your business.

$ npx mcphosting-cli add blockscout

Just say it in a thread

No configs, no docs. Once connected, these are the kinds of messages your agents act on.

"Retrieve the native and token balances for a given blockchain address — and give me the highlights."

"Return all erc-20 tokens held by an address along with balances and metadata for me, then post a summary in the thread."

"Fetch nfts owned by an address, including collection and token metadata and flag anything that needs my approval."

What teams use it for

  • Let a support or research agent look up a wallet's token and NFT holdings on demand
  • Run automated due diligence on a smart contract's verification status before integrating it
  • Build an AI-generated portfolio summary combining balances across multiple addresses
  • Flag wallets with suspicious token transfer patterns as part of a compliance workflow
  • Enrich a CRM or BI dashboard with on-chain activity tied to known customer wallets

Agent-callable tools

get_address_balance

Retrieve the native and token balances for a given blockchain address.

list_token_holdings

Return all ERC-20 tokens held by an address along with balances and metadata.

get_nft_collection

Fetch NFTs owned by an address, including collection and token metadata.

get_contract_metadata

Look up verification status, ABI, and source metadata for a smart contract.

get_transaction_history

Return recent transactions for an address, including value, gas, and status.

get_token_transfers

List token transfer events involving a given address or contract.

resolve_contract_name

Look up a contract's name and interface details by its address.

Your data stays yours

Credentials live in your vault. We route requests — we never store, log, or train on your data.

Works with every AI

Connect once — portable across Claude, GPT, Gemini, and every local agent you run.

Frequently asked questions

Which blockchains does the Blockscout MCP Server support?

It covers the EVM-compatible networks indexed by Blockscout explorer instances, giving agents access to balances, tokens, NFTs, and contract metadata on those chains.

Can this MCP server send transactions or move funds?

No, it's read-only — agents can query balances, holdings, and contract data, but cannot sign or broadcast transactions.

How does it fit into BusinessMCP's unified MCP setup?

You connect Blockscout once inside your BusinessMCP workspace, and it becomes callable through your single /api/mcp endpoint alongside your other business tools, using your mcph_* key.

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